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The Ginger Economy of Kerala - Dyuthi Home - Cochin University of ...

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Chapter Three<br />

Trends in Area, Production and Productivity<br />

An analysis <strong>of</strong> the components <strong>of</strong> increase in production <strong>of</strong> ginger<br />

is done in this chapter to know the respective contribution <strong>of</strong> area and<br />

yield in the production <strong>of</strong> ginger.<br />

Trend is a component <strong>of</strong> variation which reveals the general direction<br />

<strong>of</strong> change over a period <strong>of</strong> time. Compound growth rate has been worked<br />

out by fitting exponential function Y = ABt to the area, production and<br />

yield per hectare <strong>of</strong> ginger in India, <strong>Kerala</strong>, other major producing states in<br />

India and Ernakulam and Wynad districts <strong>of</strong> <strong>Kerala</strong>, using the linear form:<br />

Log Y = Log A + t Log B<br />

Y = a + bt + e<br />

Where Log Y is the log <strong>of</strong> dependent variable (acreage, produc­<br />

tion or yield per hectare) and 't' is independent time variable.<br />

3.t. Treads in Area, Production and Yield per Hectare <strong>of</strong> <strong>Ginger</strong> in India<br />

<strong>The</strong> area, production and yield per hectare <strong>of</strong> ginger in India .dur-<br />

ing 1957-58 to 93-94 are presented in Table 3.1. Production <strong>of</strong> gin-<br />

ger in India has increased substantially during 1957-58 to 1993-94.<br />

40

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